@article{10_4153_CMB_1962_011_1,
     author = {Scherk, P.},
     title = {On the {Fundamental} {Theorem} of {Affine} {Geometry}},
     journal = {Canadian mathematical bulletin},
     pages = {67--69},
     year = {1962},
     volume = {5},
     number = {1},
     doi = {10.4153/CMB-1962-011-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1962-011-1/}
}